Home / 18,536,615.40-27,804,923.10-12,474,251.40

Finding the Fourth Proportional to 18,536,615.40, 27,804,923.10 and 12,474,251.40

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Solution

The fourth proportional to 18,536,615.40, 27,804,923.10 and 12,474,251.40 is: 18,711,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,615.40 : 27,804,923.10 = 12,474,251.40 : x
  2. Step 2: Convert to fraction form
    18,536,615.40/27,804,923.10 = 12,474,251.40/x
  3. Step 3: Cross multiply
    18,536,615.40x = 27,804,923.10 × 12,474,251.40
  4. Step 4: Simplify right side
    18,536,615.40x = 346,845,600,907,067.38
  5. Step 5: Solve for x
    x = 346,845,600,907,067.38/18,536,615.40
  6. Step 6: Final answer
    x = 18,711,377.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.